Systopic Laboratories Pvt. Ltd. Manufactures Composition of Amlodipin and Atenolol for Hypertension. Systopic Laboratories Pvt. Ltd. Supplies innovative products aimed to deliver better therapeutic solutions. Composition of Amlodipin and Atenolol for Hypertension is the combination of dihydropyridine calcium channel-blocking agent and a long-acting cardioselective beta-adrenergic blocking agent. Composition of Amlodipin and Atenolol for Hypertension has no intrinsic sympathomimetic activity [ISA] or membrane stabilizing properties. It is available in the packet of 100 tabs/box [10 X 10] tabs. This can be also used for angina. It is available in the brand name of AMCARD-AT.